Revert "unittest: add "just return normally" expectation on results"
Revert "unittest: add "just return normally" expectation on results"

This reverts commit 3b2e6973fea17ff5d84f0144d1e316ec3039abb7.

NobuoK/xyzzy,NobuoK/xyzzy,NobuoK/xyzzy,NobuoK/xyzzy,NobuoK/xyzzy